279291214

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 440681472

約数和(自身を除く): 161390258

約数列:

[1, 2, 31, 62, 131, 137, 251, 262, 274, 502, 4061, 4247, 7781, 8122, 8494, 15562, 17947, 32881, 34387, 35894, 65762, 68774, 556357, 1019311, 1065997, 1112714, 2038622, 2131994, 4504697, 9009394, 139645607, 279291214]

約数ペア:

[(1, 279291214), (2, 139645607), (31, 9009394), (62, 4504697), (131, 2131994), (137, 2038622), (251, 1112714), (262, 1065997), (274, 1019311), (502, 556357), (4061, 68774), (4247, 65762), (7781, 35894), (8122, 34387), (8494, 32881), (15562, 17947)]